html,body{width:100%;height:100%;margin:0;padding:0;}
html, body, * {font: 14px/1.5 arial,"Microsoft Yahei","Hiragino Sans GB",sans-serif;color:#4d555d;}
input,textarea,select{outline:none;}
li{list-style-type: none;}
a{text-decoration: none;display: block;outline:none;}
a:hover{text-decoration: none;}
a:visited{text-decoration: none;}
a:link{text-decoration: none;}
a:focus{outline:none;}
.clearfix {clear: both;}
.clearfix:before,.clearfix:after {display: table; line-height: 0; content: ""; }
.clearfix:after {clear: both;}
.relative{position:relative;}
.hidden{display:none;}
.center-block{margin-left:auto;margin-right:auto;}
.color-oc{color:#0089D2;}
.color-fff{color:#FFF}
.wrap-h{height: 100%;}
.f-16{font-size: 16px;}
.popover .arrow{display:none;}
.mt-50{margin-top: 50px;}
.mt-10{margin-top: 10px;}
.mb-5{margin-bottom:5px;}
.mb-10{margin-bottom:10px;}
.mb-20{margin-bottom:20px;}
.oc-color-hover:hover{color: #0089D2;}
.link-a{color:#4d555d;text-decoration: none;}
.link-a:HOVER{color: #0089D2;}
.ellipsis{display:block;white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.split-line{
	width:100%;
	height: 1px;
	border-bottom: 1px solid #d9dde1;
	margin: 40px 0px;
}
.btn{
	width: 80px;
	background-color: #0089D2;
	text-align: center;
	color: #FFF;
	border-radius:4px;
}
.btn:hover{
	color: #FFF;
}
.following{
	width: 32px;
	height: 37px;
	background: url('../i/following.png') no-repeat no-repeat 50% 50%;
}
.followed{
	width: 32px;
	height: 37px;
	background: url('../i/followed.png') no-repeat no-repeat 50% 50%;
}
/*
 * frame
*/
.f-header{
	width: 100%;
	height: 80px;
	background-color:#E6E6E6;
}
.f-header-box{
	width: 1200px;
	max-width: 100%;
	height: 100%;
	margin: 0 auto;
}
.logo{
	width: 128px;
	height: 100%;
	background: url('../i/logo.png') no-repeat no-repeat 50% 50%;
	background-size: auto 63px;
	float: left;
}
.header-nav{
	width: auto;
	height: 34px;
	margin-top: 30px;
	float: left;
}
.header-nav-item{
	float: left;
	width: 67px;
	height: 34px;
	line-height: 34px;
	text-align: center;
	font-size: 16px;
	margin-left: 10px;
	margin-right: 10px;
	color:#000;
}
.header-nav-item:hover{
	border-radius: 3px;
	color: #0089D2;
	cursor: pointer;
}
.header-nav-item.cur{
	background-color: rgb(51,147,100);
	border-radius: 3px;
	color: rgb(255,255,255);
}
.header-user{
	width: 152px;
	height: 100%;
	background-color: rgb(80,182,132);
	float: right;
	margin-right: 10px;
	padding-left: 14px;
	padding-top: 13px;
}
.header-user-small{
	width: 152px;
	height: 100%;
	float: right;
	margin-right: 30px;
	padding-left: 14px;
	padding-top: 6px;
}
.avatar-box{
	width: 57px;
	height: 57px;
	float: left;
}
.header-user-avatar{
	width: 57px;
	height: 57px;
	border: 2px #FFF solid;
	border-radius: 50%;
	overflow: hidden;
	z-index: 6;
}
.header-user-avatar img{
	width: 53px;
}
.header-user-info-num{
	position: absolute;
	top: -6px;
	right: -6px;
	width: 24px;
	height: 24px;
	line-height: 20px;
	text-align: center;
	border: 2px #FFF solid;
	border-radius: 50%;
	font-size: 12px;
	color: #FFF;
	background-color: red;
	z-index: 9;
}
.header-user-info-num.open{
	position: absolute;
	top: 64px;
	right: -56px;
}
.header-user-name{
	width: 60px;
	height: auto;
	line-height: 20px;
	float: right;
	margin-top: 6px;
	font-size: 14px;
	color: #FFF;
}
.header-login-btn{
	border-radius:4px;
	width: 200px;
	height: 50px;
	line-height: 50px;
	background-color: #0089D2;
	margin:0 auto;
	text-align: center;
	color: #FFF;
	cursor: point;
	font-size: 18px;
}

.f-footer{
	padding-top:20px;
	width: 100%;
	height: 150px;
	background-color: #777777;
}

.f-footer-box{
	width: 1200px;
	margin: 0 auto;
}

.footer-link {
	width:500px;
	padding: 25px 0;
}

.footer-link a {
	margin: 0 10px;
	color: #FFF;
	float:left;
}

.footer-link a:hover {
	text-decoration: underline;
}

.footer-copyright  {
	border-top: 1px solid #d0d6d9;
	padding: 20px 0 25px 10px;
}
.footer-copyright  span{
	color: #FFF
}

.f-main{
	width: 1200px;
	margin:0 auto;
	min-height: 400px;
	margin-top:20px;
	margin-bottom:100px;
}

.main-category{
	width: 1200px;
	height:450px;
}
.main-bg{
	position: absolute;
	width: 1200px;
	height: 450px;
	z-index: 1;
	float:left;
}
.main-bg-item{
	position: absolute;
	top: 0;
	width: 1200px;
	height: 450px;
	z-index: 1;
}
.main-category-menu {
    width: 240px;
	height:450px;
	position: relative;
	z-index: 2;
	top: 0px;
	background:rgba(131,131,131,0.3);
	top: -114px;
}
.main-category-menu .category {
    cursor: pointer;
    position: relative;
}
.main-category-menu .category :hover{
	background:rgba(100,100,100,0.6);
}
.main-category-menu .category .group{
	height: 75px;
    line-height:75px;
	font-size: 16px;
	color: #FFF;
	width: 190px;
    margin-left: 25px;
    padding-left: 15px;
    vertical-align: middle;
    border-bottom: 1px solid #ADB0B4;
}
.main-category-menu .category .group:hover{
	background:rgba(255,255,255,0);
}
.main-category-submenu-content{
	background-color:#FDFDFD;
	width: 600px;
	height: 440px;
	margin-left:240px;
	position:relative;
	z-index:2;
	top:-560px;
	display: none;
	padding: 30px 50px;
	border-radius:4px;
	box-shadow: 2px 2px 5px #ADB0B4;
}
.main-category-submenu-content .submenu-title{
	font-weight: bold;
	font-size: 16px;
	margin-bottom: 5px;
	z-index:2;
}

.main-category-submenu-content .submenu-item{
	display:inline-block;
	margin-right: 10px;
	margin-bottom: 5px;
	font-size: 14px;
}

.main-category-submenu-content a{
	color: #000;
}
.main-category-submenu-content a:HOVER{
	color: #0089D2;
}

.f-nav-box{
	height: 114px;
	margin: 0 auto;
	position: relative;
}
.bg-nav{
	position: absolute;
	width:200px;
	height: 20px;
	z-index: 10;
	bottom:-330px;
	right:0px;
}
.bg-nav a{
	width: 12px;
	height: 12px;
	border: 2px #929DA5 solid;
	border-radius: 50%;
	cursor: pointer;
	float:left;
	margin-left: 10px;
}
.bg-nav a.cur{
	width: 12px;
	height: 12px;
	background-color: #929DA5;
	border: none;
}

.types-block{
	width:1200px;
	padding-top:15px;
}

.types-block .types-title{
	font-size: 20px;
	font-weight: 200;
	color: #07111b;
	margin-bottom: 24px;
	line-height: 20px;
}

.types-block .types-content{
	
}
.course-card-container {
    width: 224px;
    height: 228px;
    border-radius: 4px;
    background-color: #fff;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    transition: .3s all linear;
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
}

.course-card-container .course-card-top {
    height: 48px;
    line-height:48px;
    padding: 0 24px;
    overflow: hidden;
    color: #FFF;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}
.course-card-top span{
	color: #FFF;
	font-weight: bold;
}

.course-card-container .course-card-content {
    background-color: #fff;
    padding: 0px 22px;
    box-sizing: border-box;
}
.course-card-container .course-card-name {
    font-size: 14px;
    color: #07111b;
    height:44px;
    line-height:20px;
    width:180px;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}
.course-card-container .course-card-brief{
	font-size: 12px;
    color: #93999f;
    line-height: 22px;
    margin: 12px 0;
    overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	height:44px;
    width:180px;
}
.course-card-container .course-card-info, .course-card-container p {
    font-size: 12px;
    color: #93999f;
    line-height: 22px;
    margin: 12px 0;
}
.course-card-container .course-card-bottom {
    font-size: 12px;
    text-align: right;
}
.course-card-container .course-card-info {
    float: left;
    margin: 0;
}
.course-card-container .course-card-info span{
	margin:0px 5px;
	font-weight: bold;
}
.course-card-container .course-card-price {
    float: right;
    color: #f01414;
    font-weight: 200;
}

.green-bg {
    background-color: #04B95C;
}

.brown-bg {
    background-color: #534542;
}

.purple-bg {
    background-color: #CD71E1;
}

.blue-bg {
    background-color: #4A93D7;
}

.pink-bg {
    background-color: #FC789E;
}

.gray-bg {
    background-color: #CCC;
}

.types-content-left {
	float: left;
	width: 224px;
    height: 348px;
    border-radius: 4px;
    margin-right: 20px;
}
.course-card-container-fix{
	width: 224px;
    height: 228px;
    border-radius: 4px;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    transition: .3s all linear;
    float: left;
    margin-right: 20px;
    padding-top:20px;
}

.course-card-container-fix .course-card-content {
    padding: 0px 22px;
    color: #FFF;
}

.types-content-right {
    float: left;
    width: 956px;
    height: 348px;
}

.types-content-banner {
    height: 100px;
    margin-bottom: 20px;
}

.types-content-banner-block{
	border-radius:4px;
    float: left;
    width: 468px;
    height: 100px;
    line-height:100px;
    text-align: center;
    color: #FFF;
    font-size: 18px;
    overflow: hidden;
}

 .lecturer-item {
    width: 224px;
    height: 320px;
    margin-right: 20px;
    background-color: #fff;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    box-sizing: border-box;
    padding: 36px 24px 0;
    text-align: center;
    border-radius: 4px;
}

.lecturer-item .lecturer-uimg {
    display: block;
    width: 120px;
    height: 120px;
    margin: 0 auto 10px;
    border-radius: 50%;
}

 .lecturer-item .lecturer-name {
    display: block;
    font-size: 16px;
    line-height: 24px;
    color: #07111b;
    font-weight: 700;
    word-break: break-all;
    word-wrap: break-word;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    -webkit-line-clamp: 1;
}

.lecturer-item .lecturer-title {
    display: block;
    font-size: 12px;
    line-height: 24px;
    color: #93999f;
    margin-bottom: 15px;
}

.lecturer-item .lecturer-p {
    display: block;
    font-size: 12px;
    line-height: 20px;
    color: #93999f;
    height: 56px;
    word-break: break-all;
    word-wrap: break-word;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.lecturer-card-container {
    width: 224px;
    height: 320px;
    border-radius: 4px;
    background-color: #fff;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    transition: .3s all linear;
    float: left;
    margin-right: 20px;
}

/**
*课程章节页面 start
**/
.main-course-left{
	float:left;
	width: 820px;
	min-height:500px;
}
.main-course-right{
	float:right;
	width: 300px;
	min-height:500px;
}
.course-info{
	width:100%;
	min-height: 210px;
	border-bottom: 1px solid #d9dde1;
	padding-bottom:15px;
}
.course-info .course-title {
    margin-bottom: 20px;
    line-height: 31px;
    font-weight: 700;
    font-size: 32px;
}
.course-meta{
	margin-top: 30px;
}
.course-meta .static-item {
    display: inline-block;
    padding: 0 33px;
    font-size: 12px;
    border-right: 1px solid #d9dde1;
}
.course-meta .static-item .meta{
	height:25px;
	line-height:30px;
}
.course-info .static-item .meta-value{
	font-size:16px;
	height:25px;
	line-height:25px;
	overflow: hidden;
	max-width: 180px;
}
.learn-btn {
    display: inline-block;
    border-radius:4px;
    text-align: center;
    background-color: #0089D2;
    color: #FFF;
    width: 137px;
    height: 48px;
    line-height:48px;
    font-size: 16px;
    position: relative;
    top:-20px;
}
.learn-btn:hover{
	color: #FFF;
}
.course-brief{
	margin-top: 15px;
	letter-spacing: 1px;
	line-height: 30px;
}
.course-menu{
	width: 100%;
	padding: 30px 0px;
}
.course-menu .menu-item{
	font-size: 16px;
	font-weight:bold;
	float: left;
	width: 100px;
	display: inline-block;
}
.course-menu .cur{
	color:#0089D2; 
}
.course-menu span:hover{
	color: #0089D2;
}
.chapter {
	padding: 0px 10px 20px 10px;
	border-bottom: 1px solid #eee;
}
.chapter strong{
	font-size: 16px;
}
.icon-chapter{
	border-radius:50%;
	background-color: #93999F;
	color: #FFF;
	font-weight: bold;
	width: 25px;
	height: 25px;
	line-height: 27px;
	text-align: center;
	font-size: 16px;
	float: left;
	margin-right: 20px;
	margin-top: 2px;
}
.chapter .drop-down{
	float: right;
	margin-top: 2px;
	margin-right: 10px;
	color: #93999F;
}
.chapter-sub .chapter-sub-li{
	width: 100%;
	height: 40px;
	line-height: 40px;
	background-color: #F3F5F7;
	margin-bottom: 10px;
	list-style-type: none;
	padding:0px 10px;
}
.chapter-sub  .chapter-sub-title{
	
}
.chapter-sub-title-fff{
	color: #FFF;
}
.chapter-sub .chapter-sub-li:hover{
	background-color: #777777;
	color: #FFF;
}
.chapter-sub .chapter-sub-li .icon-video{
	margin-right: 10px;
	color: #777777;
}
.preview-btn{
	height: 25px;
	width: 80px;
	float: right;
	line-height: 25px;
	background-color: #0089D2;
	text-align: center;
	color: #FFF;
	margin-top: 8px;
	border-radius:4px;
}
.follow-btn{
	display:inline-block;
	height: 25px;
	width: 60px;
	line-height: 25px;
	background-color: #06B310;
	text-align: center;
	color: #FFF;
	border-radius:4px;
}

/**
*评论-start
**/
.comment{
	padding: 0px 10px 20px 10px;
	border-bottom: 1px solid #eee;
	margin: 20px 0px;
	min-height: 120px;
}
.comment-header{
	float: left;
	width: 70px;
}
.comment-main{
	float: right;
	width: 730px;
}
.comment-header img{
	width: 40px;
	height: 40px;
	border-radius:50%;
}
.comment-main .user-name{
	font-weight: bold;
	font-size: 14px;
}
.comment-main .comment-content{
	margin-top: 20px;
	width:100%;
}
.comment-main .comment-footer{
	margin-top: 20px;
}
.comment-main .comment-footer a{
	margin-left: 50px;
	display: inline-block;
	color: #93999f;
}
.comment-main .comment-footer a:hover{
	color: #0089D2;
}
/**
*评论-end
**/

.video-chapter{
	padding: 0px;
}
.course-video{
	width: 100%;
	height: 505px;
	border: 2px solid #93999F;
}
.video-li{
	width: 100%;
	height: 30px;
	line-height: 30px;
	list-style-type: none;
}
.video-li:hover{
	color: #0089D2;
}
.video-course-fix-parent{
	height: 500px;
	margin-top: 0px;
	overflow: hidden;
}
.video-course-fix{
	margin-top:-20px;
	height: 500px;
    overflow-x: hidden;
    width: 326px;;    /* 多出26像素是滚动条的位置，会被父容器盖住就看不到了 */
    overflow-y: scroll;
}

/**
*课程章节页面 end
**/

/**
* 课程分类页 start
**/
.course-nav-row{
	margin: 0px;
	width:100%;
	border-bottom: 1px solid #d9dde1;
	margin-bottom:15px;
}

.course-nav-row .hd{
	float: left;
	font-weight: bold;
	font-size: 14px;
	height: 35px;
	line-height:30px;
}
.course-nav-row .course-nav{
	float: left;
	width: 1090px;
	text-align: left;
	padding:0px;
	padding-left:15px;
}

.course-nav-row .course-nav .course-nav-item{
	float: left;
	margin-right: 20px;
	border-radius:4px;
	margin-bottom: 10px;
}
.course-nav-row .course-nav .cur-course-nav{
	background-color: #777777;
}
.course-nav-row .course-nav .cur-course-nav a{
	color: #FFF;
}
.course-nav-item a{
	padding:5px 10px;
	color: #4d555d;
}
.course-nav-item a:hover{
	color:#0089D2;
	font-size: 14px;
}
/**
*课程分类页 end
**/

/**
*我的主页
**/
.setting-left {
    width: 220px;
    background-color: #f8fafc;
    float: left;
    text-align: center;
    padding:30px 0px;
}
.setting-right{
	width: 930px;
	float: right;
}

.setting-header{
	display: block;
    width: 100px;
    height: 100px;
    margin: 0 auto 10px;
    border-radius: 50%;
    border:3px solid #CCC;
}

.user-menu-nav-block{
	text-align:left;
	width: 100%;
	padding:0px;
}
.user-menu-nav-cur{
	background-color: #0089D2;
	color: #FFF;
	height: 50px;
	line-height: 50px;
	padding-left:50px;
	padding-right:30px;
	margin-bottom: 10px;
}
.user-menu-nav-cur span{
	float: right;
	display: inline-block;
	height: 50px;
	line-height: 50px;
	color: #FFF;
}

.user-menu-nav{
	height: 50px;
	line-height: 50px;
	padding-left:50px;
	padding-right:30px;
	margin-bottom: 10px;
}
.user-menu-nav:hover{
	background-color: #E6E6E6;
	color: blue;
}
.user-menu-nav span{
	float: right;
	display: inline-block;
	height: 50px;
	line-height: 50px;
}
/**
*我的主页-end
**/

/**
* 表单-start
**/
.oc-form{
	padding-left: 20px;
}

.oc-form li{
	height: 40px;
	line-height: 40px;
	padding-right:30px;
	margin-bottom: 15px;
	clear: both;
}

.oc-form li label{
	width:150px;
	height:40px;
	line-height:40px;
	text-align:center;
	margin-right: 20px;
	background-color: #F3F5F7;
	display: inline-block;
	float: left;
}

.oc-form li .display-text{
	float: left;
	height:40px;
	line-height:40px;
	width: 700px;
	padding-left: 20px;
	border-bottom: 1px solid #d9dde1;
}

.oc-form li .input-text{
	float: left;
	height:40px;
	line-height:40px;
	width: 300px;
	padding-left: 5px;
	border: 1px solid #d9dde1;
}
.oc-form li .input-text2{
	float: left;
	height:40px;
	line-height:40px;
	width: 60%;
	padding-left: 5px;
	border:none;
	border-bottom: 1px solid #d9dde1;
}
.oc-form li .input-select{
	float: left;
	height:40px;
	line-height:40px;
	width: 60%;
	padding-left: 5px;
	border: 1px solid #d9dde1;
}
/**
*form 表单 end
**/

.page-box{
	padding: 40px 0px 0px 25px;
}
.page-box a{
	margin-right: 20px;
}
.page-box .page-num{
	float:left;
	display: inline-block;
	width: 30px;
	height: 30px;
	line-height:30px;
	text-align:center;
	border-radius:50%;
	color: #000;
}
.page-num:hover{
	background-color: #EEE;
	color: #000;
}
.page-cur{
	float:left;
	display: inline-block;
	width: 30px;
	height: 30px;
	line-height:30px;
	text-align:center;
	border-radius:50%;
	background-color: #777;
	color: #FFF;
	font-weight: bold;
}
.page-cur:hover{
	color: #FFF;
}
.page-next{
	float:left;
	margin-right: 10px;
	display: inline-block;
	line-height:30px;
	text-align:center;
	color: #000;
}
.page-omit{
	float:left;
	display: inline-block;
	width: 30px;
	height: 30px;
	line-height:30px;
	text-align:center;
	color: #000;
	font-size: 16px;
	margin-right: 20px;
	font-weight: bold;
}


/**
*继续学习button
**/
.continue-btn{
	display:inline-block;
	width: 80px;
	height:30px;
	line-height:30px;
	border: 1px solid #0089D2;
	text-align: center;
	cursor: pointer;
	color: #000;
}
.continue-btn:hover{
	background-color: #0089D2;
	color:#FFF;
}

.learn-rate{
	color: #F0145D;
	margin-right: 20px;
}


/**
*cms开始
**/
.cms-header{
	width: 100%;
	height: 70px;
	background-color:#03060A;
}
.cms-header .cms-header-box{
	width: 100%;
	padding:0px 30px;
	height: 60px;
}
.cms-logo{
	width: 48px;
	height: 48px;
	background: url('../i/logo.png') no-repeat no-repeat 50% 50%;
	background-size: auto 63px;
	float: left;
	margin-top: -15px;
}
.cms-main{
	width: 100%;
}
.cms-main-left{
	width: 170px;
	float: left;
	height: 100%;
	background-color: #525a66;
}
.cms-main-right{
	width:100%;
	float: left;
	height: 100%;
	background-color: #FFF;
	padding:30px 30px 30px 50px;
}
.cms-content{
	width: 100%;
	height: 100%;
}

/**
*cms 导航菜单-start
**/
.cms-menu-nav-block{
	text-align:left;
	width: 100%;
	padding:0px;
	text-align:center;
	padding-top:20px;
}
.cms-menu-nav-cur{
	margin-top: 10px;
	font-size: 16px;
	background-color: #EEE;
	color: blue;
	height: 30px;
	line-height: 30px;
}
.cms-menu-nav{
	height: 30px;
	line-height: 30px;
	margin-top: 10px;
	color: #FFF;
	font-size: 16px;
}
.cms-menu-nav:hover{
	background-color: #EEE;
	color: blue;
}

.cms-sub-menu-nav-block{
	height: 30px;
	width:100%;
	background-color: #FFF;
	border-bottom: 1px solid #525A66;
}
.cms-sub-menu-nav{
	float: left;
	border: 1px solid #525A66;
	border-bottom: none;
	height: 30px;
	line-height: 30px;
	text-align: center;
	padding: 0px 20px;
	margin-right: 10px;
}
.cms-sub-menu-nav:hover{
	background-color: #525A66;
	color: #FFF;
}
.cms-sub-menu-nav-cur{
	float: left;
	border: 1px solid #525A66;
	border-bottom: none;
	height: 30px;
	line-height: 30px;
	text-align: center;
	padding: 0px 20px;
	margin-right: 10px;
	background-color: #525A66;
	color: #FFF;
}
